【详述】新建1.19.1集群进行测试，mysqlclient中执行sql报错。ERROR 1064 (HY000): Could not initialize class com.starrocks.rpc.BackendServiceProxy
【StarRocks版本】1.19.1
【附件】
fe日志：
2021-11-21 16:03:49,835 WARN (starrocks-mysql-nio-pool-31|379) [StmtExecutor.execute():456] execute Exception, sql select * from table1
java.lang.NoClassDefFoundError: Could not initialize class com.starrocks.rpc.BackendServiceProxy
at com.starrocks.qe.Coordinator$BackendExecState.execRemoteFragmentAsync(Coordinator.java:1695) ~[starrocks-fe.jar:?]
at com.starrocks.qe.Coordinator.exec(Coordinator.java:522) ~[starrocks-fe.jar:?]
at com.starrocks.qe.StmtExecutor.handleQueryStmt(StmtExecutor.java:771) ~[starrocks-fe.jar:?]
at com.starrocks.qe.StmtExecutor.execute(StmtExecutor.java:371) ~[starrocks-fe.jar:?]
at com.starrocks.qe.ConnectProcessor.handleQuery(ConnectProcessor.java:248) ~[starrocks-fe.jar:?]
at com.starrocks.qe.ConnectProcessor.dispatch(ConnectProcessor.java:397) ~[starrocks-fe.jar:?]
at com.starrocks.qe.ConnectProcessor.processOnce(ConnectProcessor.java:633) ~[starrocks-fe.jar:?]
at com.starrocks.mysql.nio.ReadListener.lambda$handleEvent$480(ReadListener.java:54) ~[starrocks-fe.jar:?]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_312]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_312]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_312]